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Climate Lab — Porvoo, Finland

Climate Lab·

Monthly climate metrics across temperature, precipitation, wind, and UV.

MetricJanFebMarAprMayJunJulAugSepOctNovDecYear
Temperature
Daily high°C
2
2
5
12
19
26
24
23
17
12
7
2
13
Daily mean°C
-3
-1
1
5
12
19
19
19
14
9
2
-3
8
Daily low°C
-10
-8
-5
0
5
14
15
14
9
3
-3
-9
2
Thermal comfort
High feels°C
-6
-3
5
13
21
29
27
26
18
8
1
-5
11
Mean feels°C
-13
-11
-6
2
11
22
20
19
11
2
-6
-12
3
Low feels°C
-23
-20
-16
-11
1
12
14
12
1
-6
-16
-20
-6
Humidity
Humidity%
91
88
81
61
48
54
66
72
83
86
90
92
76
Dewpoint°C
-4.3
-4.0
-1.5
-1.6
1.8
10.2
12.0
13.6
10.5
6.1
0.8
-4.1
3.3
Precipitation
Rainfallmm
15
30
25
32
46
42
91
80
47
70
36
20
535
Rain days≥1mm
3
6
7
8
11
11
17
14
10
13
9
4
113
Snowfallmm
67
35
16
16
0
0
0
0
0
0
20
48
201
Snow days≥1mm
13
7
4
3
0
0
0
0
0
0
6
11
44
Wind
Wind avgm/s
4.2
3.8
3.8
3.4
3.3
2.9
3.2
3.2
3.6
3.7
3.7
3.8
3.5
Wind gustsm/s
6.8
7.1
6.2
6.3
5.4
5.4
5.5
5.9
6.1
6.6
6.2
6.1
6.1
Sun & UV
Sunshinehrs/day
0.0
2.7
6.8
10.0
12.6
14.1
12.2
10.8
7.3
3.0
0.0
0.0
6.6
Clear skyindex
6%
22%
32%
42%
45%
58%
39%
40%
27%
22%
9%
3%
29%
UV indexmax avg
0.1
0.4
1.0
2.3
3.5
4.5
3.8
3.2
1.9
0.7
0.2
0.1
1.8
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High

How winter feel compares

Compared across Finland

Porvoo: -17.1 °C. Typical range in Finland: -20.4–-17.4 °C. Low anchor: Haukipudas, -28.8 °C. High anchor: Sastamala, -16.7 °C.

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